Company Overview

From its humble beginnings in the Tacoma, Washington kitchen of Frank Mars, Mars, Incorporated has grown into a company of global scope and scale, generating annual revenues of $33 billion. As a family-owned company for nearly a century, we are guided by our 5 Principles: Quality, Responsibility, Mutuality, Efficiency and Freedom.

About Mars Japan Limited
Established in December 1975
General Manager Atsushi Morisawa

New Head Office (as of 2 May 2016)
Shinagawa Season Terrace 7F 1-2-70 Konan, Minato-ku,Tokyo 108-0075
Phone: 03-5782-2800/Fax 03-5463-6531

Access Map (English・PDF)

Woman weighs Whiskas cat food in laboratory

The Principles in Action Summary

Discover how we are making a difference to people and the planet through our performance and where we are still seeking the best way forward
The Five Principles of Mars - Our Principles in Action

The Five Principles of Mars

The Mars Five Principles of Quality, Responsibility, Mutuality, Efficiency and Freedom are the foundation of our culture and our approach to business.
Old picture of Milky Way delivery truck

Our History

Since the release of the Milky Way® bar Mars, Incorporated has grown into a company of global scope.
Mars management team in Wrigley office

Global Leadership

Mars, Incorporated is governed by our board of directors, management team and global advisors.

Click here to view a short clip on "Health & Nutrition and Mars".

Click here to view a short clip on "MARS and Science".

Click here to view a short clip on "The Story of Mars".

Click here to view a short clip on "Working at MARS".

mars.com:japan:en:about mars:landing